Figure 2From: Highly selective colorimetric detection and preconcentration of Bi(III) ions by dithizone complexes anchored onto mesoporous TiO2TEM and HRTEM images and EDS analysis of the samples. TEM images of TiO2-DZ (a) and TiO2-[(DZ)3-Bi] (b) samples. HRTEM images of TiO2-DZ (c) and TiO2-[(DZ)3-Bi] (d). The EDS analysis of TiO2-DZ (e) and TiO2-[(DZ)3-Bi] complex (f).Back to article page